Home / 193,617.09-290,440.26-53,374.50

Finding the Fourth Proportional to 193,617.09, 290,440.26 and 53,374.50

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Solution

The fourth proportional to 193,617.09, 290,440.26 and 53,374.50 is: 80,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,617.09 : 290,440.26 = 53,374.50 : x
  2. Step 2: Convert to fraction form
    193,617.09/290,440.26 = 53,374.50/x
  3. Step 3: Cross multiply
    193,617.09x = 290,440.26 × 53,374.50
  4. Step 4: Simplify right side
    193,617.09x = 15,502,103,657.37
  5. Step 5: Solve for x
    x = 15,502,103,657.37/193,617.09
  6. Step 6: Final answer
    x = 80,065.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.